Insider track record
OtherNot enough buy signals with a settled T+90 horizon to measure a track record yet.
Browse the full record of transactions filed by Birchler Brian. Insider active across 1 company, notably Ionis Pharmaceuticals INC. Aggregated, 18 reports have been published. Split: 0 buy · 3 sells. Total volume traded: €1.1m. Activity tracked since 17 April 2023. The latest transaction was disclosed on 15 April 2026 (Levée d'options). Regulator: SEC (Form 4). All data is free.
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Declarations18 total
1,875 shares0Common StockSEC:0000874015-26-000170:0
973 shares@ US$75.0420.0007% mcap5.5% of flowCommon StockSEC:0000874015-26-000170:1
351 shares@ US$48.86650.7% of flowCommon StockSEC:0000874015-26-000122:0
11,991 shares0Common StockSEC:0000874015-26-000097:0
8,480 shares@ US$75.1151.3% of flowCommon StockSEC:0000874015-26-000063:1
20,089 shares0Common StockSEC:0000874015-26-000063:0
8,000 shares@ US$76.172424.1% of flowCommon StockSEC:0000874015-25-000278:0
11,475 shares@ US$53.7731.9% of flowCommon StockSEC:0000874015-25-000259:0
166 shares@ US$27.710.3% of flowCommon StockSEC:0000874015-25-000187:0
1,875 shares0Common StockSEC:0000874015-25-000120:0
414 shares@ US$28.21151.1% of flowCommon StockSEC:0000874015-25-000099:0
14,283 shares0Common StockSEC:0000874015-25-000057:0
12 shares@ US$38.6410.0% of flowCommon StockSEC:0000874015-24-000216:0
1,875 shares0Common StockSEC:0000874015-24-000138:0
604 shares@ US$34.4251.8% of flowCommon StockSEC:0000874015-24-000123:0
12,080 shares0Common StockSEC:0000874015-24-000079:0
11,500 shares@ US$47.3445.8% of flowCommon StockSEC:0000874015-24-000004:0
1,875 shares0Common StockSEC:0000874015-23-000132:0
About Birchler Brian
Birchler Brian is EVP, Corp and Development Ops at Ionis Pharmaceuticals INC (XNAS). He has filed 18 disclosures in total, and across the 18 sampled filings between 2023-04-19 and 2026-04-17, the reported purchases are 0 EUR and the reported sales are 1140667 EUR, with a dominant transaction nature of Option exercise.